body{
    font-size: .28rem !important;
    background: rgb(245,250,250);
}



/* 上--顶部导航 */
.header{
    width: 100%;
    height: 1.48rem;
    background: rgb(41,204,177);
    /* 弹性盒模型 */
    display: flex;
    align-items: center;
    justify-content: space-around;
    /* 固定定位 */
    position: fixed;
    left: 0;
    top: 0;
    /* 层叠关系 */
    z-index: 99999;
}
/* 左-位置定位 */
.header>div:nth-of-type(1){
    display: flex;
    color: #fff;
}
.header>div:nth-of-type(1) p{
    font-size: .36rem;
}
.header>div:nth-of-type(1) span{
    font-size: .28rem;
}
.header>div:nth-of-type(1) i{
    margin-top: .08rem;
    font-size: .28rem;
    font-weight: bold;
}




/* 中 */
.main{
    margin-bottom: 1.6rem;
    margin-top: 1.48rem;;
}
/* 中--输入框 */
.header>div:nth-of-type(2){
    width: 5rem;
    height: 1rem;
    background: #fff;
    border-radius: .12rem;
    /* 弹性盒模型 */
    display: flex;
    align-items: center;
}
.header>div:nth-of-type(2) i{
    font-size: .64rem;
    color: rgb(41,204,177);
    margin: 0 .2rem 0 .06rem;
}
.header>div:nth-of-type(2) input{
    flex-grow: 1;
    border: none;
    font-size: .32rem;
}
/* 右--年级选择 */
.header>div:nth-of-type(3){
    display: flex;
    align-items: center;
    color: #fff;
}
.header>div:nth-of-type(3) i{
    font-weight: bold;/*字体加粗*/
    margin-left: .12rem;
    font-size: .24rem;
}



/* 中 */
/* 中-1.轮播图banner */
.main>.banner{
    height: 5rem;
    /* background: lawngreen; */
    /* 圆角 */
    border-radius: 0 0 22% 22%;
    /* 溢出隐藏控制 */
    overflow-y: hidden;
}
.main>.banner img{
    width: 100%;
    height: 5rem;
}
/* 焦点样式 */
.main>.banner .swiper-pagination-bullet{
    width: .6rem;
    height: .06rem;
    background: rgba(255,255,255,.8);
    border-radius: 0;
    opacity: 1;/*类似于rgba中的a，设置透明度--0完全透明，1完全不透明*/
}
/* 激活焦点样式 */
.main>.banner .swiper-pagination-bullet.swiper-pagination-bullet-active{
    background: rgba(255,255,255,1);
}
/* 焦点上移 */
.main .swiper-container-horizontal>.swiper-pagination-bullets{
    bottom: 1rem;
}

/* 中-2.选项列表 */
.main>.select_list{
    width: 7.1rem;
    height: 2.38rem;
    /* border: 1px solid; */
    margin: 0 auto;
    /* 相对定位 */
    position: relative;
}
.main>.select_list>.wrapper{
    height: 3.2rem;
    background: #fff;
    width: inherit;
    /* 绝对定位 */
    position: absolute;
    left: 0;
    bottom: 0;
    /* 层级关系 */
    z-index: 10;
    border-radius: .2rem .2rem 0 0;
}
/* 列表 */
.main>.select_list>.wrapper>ul{
    width: inherit;
    height: inherit;
    /* 弹性盒模型 */
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content: space-around;
}
.main>.select_list>.wrapper>ul>li{
    width: 1.3rem;
    height: 1.3rem;
    /* border: 1px solid; */
    /* 弹性盒模型 */
    display: flex;
    justify-content: center;
    align-items: center;
    /* 圆角+阴影 */
    border-radius: 50%;
    box-shadow: 0px 0px 5px rgb(219, 217, 217);;
}
.main>.select_list>.wrapper>ul>li img{
    width: .6rem;
    height: .6rem;
    border-radius: 50%;
}
.main>.select_list>.wrapper>ul>li p{
    color: #000;
    text-align: center;
}



/* 中-3.广告 */
.main>.ad{
    width: 7.1rem;
    display: block;
    margin: .3rem auto;
}
.main>.ad>img{
    width: 100%;
}


/* 中-4.同步课程 */
.main>.sync_class{
    width: 7.1rem;
    min-height: 2rem;
    /* border: 1px solid; */
    margin: auto;
}
/* 同步课程-上-标题 */
.main>.sync_class>.title{
    height: .6rem;
    line-height: .6rem;
    /* background: yellowgreen */
    border-left:.06rem solid rgb(41,204,177);
    /* 弹性盒模型 */
    display: flex;
    justify-content: space-between;
}
.main>.sync_class>.title h3{
    font-size: .36rem;
    font-weight: bold;
    color:#333;
    text-indent: .06rem;
}
.main>.sync_class>.title a{
    color: #888;
}
/* 同步课程-下-内容 */
.main>.sync_class>.content{
    height: 4.5rem;
    /* border: 1px solid; */
    background-color: #fff;
    margin-top: .2rem;
    border-radius: .12rem;
    padding: .2rem;
    /* 弹性盒模型 */
    display: flex;
    flex-wrap: wrap;
}
/* 同步课程-下-内容-图片信息 */
.main>.sync_class>.content img{
    width: 100%;
    height: 3.4rem;
}
/* 同步课程-下-内容-文本描述信息 */
.main>.sync_class>.content>div{
    width: 100%;
    height: 1.1rem;
    /* background: lightblue; */
    /* 弹性盒模型 */
    display: flex;
    justify-content: space-between;
    align-items: center;
}
/* 左侧 */
.main>.sync_class>.content>div>div{
    max-width: 60%;
}
.main>.sync_class>.content>div>div h2{
    /* 省略号三部曲 */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.main>.sync_class>.content>div>div span:nth-of-type(1){
    color: rgb(41,204,177);
    font-size: .3rem;
}
.main>.sync_class>.content>div>div span:nth-of-type(2){
    color: #888;
    font-size: .24rem;
}
.main>.sync_class>.content>div>button{
    border: none;
    color: #fff;
    width: 1.8rem;
    height: .8rem;
    border-radius: .06rem;
    background: rgb(41,204,177);
    font-size: .28rem;
}




/* 中-6.刷新标识 */
.main>.refresh{
    width: 6rem;
    height: .6rem;
    /* border: 1px solid; */
    margin: .6rem auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    /* 字体色 */
    color: #888;
}
/* 短横线 */
.main>.refresh>div{
    width: .8rem;
    height: 1px;
    background: #888;
}
.main>.refresh>a{
    color:rgb(41,204,177);
}




